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Commit4a9da7e

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committed
NS32K lock patch reversed.
1 parent1202ab2 commit4a9da7e

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2 files changed

+18
-14
lines changed

2 files changed

+18
-14
lines changed

‎src/backend/storage/buffer/s_lock.c

Lines changed: 1 addition & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@
77
*
88
*
99
* IDENTIFICATION
10-
* $Header: /cvsroot/pgsql/src/backend/storage/buffer/Attic/s_lock.c,v 1.11 1998/09/1805:36:23 momjian Exp $
10+
* $Header: /cvsroot/pgsql/src/backend/storage/buffer/Attic/s_lock.c,v 1.12 1998/09/1817:18:39 momjian Exp $
1111
*
1212
*-------------------------------------------------------------------------
1313
*/
@@ -118,17 +118,6 @@ success:\n\
118118
#endif/* PPC */
119119

120120

121-
#if defined(__ns32k__)
122-
int
123-
tas(volatileslock_t*lock)
124-
{
125-
intres;
126-
__asm__("sbitb 0, %0" :"=m"(*lock));
127-
__asm__("sprb us, %0" :"=r"(res));
128-
res= (res >>5)&1;
129-
returnres;
130-
}
131-
#endif
132121

133122
#else/* defined(__GNUC__) */
134123
/***************************************************************************

‎src/include/storage/s_lock.h

Lines changed: 17 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@
77
*
88
*
99
* IDENTIFICATION
10-
* $Header: /cvsroot/pgsql/src/include/storage/s_lock.h,v 1.48 1998/09/1805:36:24 momjian Exp $
10+
* $Header: /cvsroot/pgsql/src/include/storage/s_lock.h,v 1.49 1998/09/1817:18:41 momjian Exp $
1111
*
1212
*-------------------------------------------------------------------------
1313
*/
@@ -213,7 +213,22 @@ tas(slock_t *s_lock)
213213
#endif/* NEED_I386_TAS_ASM */
214214

215215

216-
/* NS32K code is in s_lock.c */
216+
217+
#if defined(NEED_NS32K_TAS_ASM)
218+
219+
#defineS_LOCK(lock)\
220+
{\
221+
slock_t res = 1;\
222+
while (res) {\
223+
__asm__("movqd 0, r0");\
224+
__asm__("sbitd r0, %0" : "=m"(*lock));\
225+
__asm__("sprb us, %0" : "=r" (res));\
226+
res = ((res >> 5) & 1);\
227+
}\
228+
}
229+
230+
#endif/* NEED_NS32K_TAS_ASM */
231+
217232

218233
#endif/* defined(__GNUC__) */
219234

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